US2712955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draw-in type flush latch
Assignee: ELEANOR M HARTWELL
•
Filing: 1952-09-15
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Granted: 1955-07-12
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Expires: 1972-09-15
Abstract
No abstract record available.
Inventors
- 👤 Weldon R Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:01
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/10; E05C19/12; E05C19/14; E05C19/145; Y; Y10; Y10S; Y10S292/00; Y10S292/04; Y10S292/31; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0917; Y10T292/0945; Y10T292/0951; Y10T292/0959
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |